Home / 19,411.91-29,110.70-6,928.60

Finding the Fourth Proportional to 19,411.91, 29,110.70 and 6,928.60

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Solution

The fourth proportional to 19,411.91, 29,110.70 and 6,928.60 is: 10,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.91 : 29,110.70 = 6,928.60 : x
  2. Step 2: Convert to fraction form
    19,411.91/29,110.70 = 6,928.60/x
  3. Step 3: Cross multiply
    19,411.91x = 29,110.70 × 6,928.60
  4. Step 4: Simplify right side
    19,411.91x = 201,696,340.56
  5. Step 5: Solve for x
    x = 201,696,340.56/19,411.91
  6. Step 6: Final answer
    x = 10,390.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.